Madcap and Porcupine

Madcap noun - A person who seeks out very dangerous or foolhardy adventures with no apparent fear.

Porcupine and madcap are semantically related In some cases you can use "Porcupine" instead a noun "Madcap".

Porcupine noun - Relatively large rodents with sharp erectile bristles mingled with the fur.

Madcap and porcupine are semantically related in mean lady topic. You can use "Madcap" instead a noun "Porcupine".